Page 2 of 15
506325-01
Issue 1734
Installation
These units are not approved for mobile home
applications. Such use could result in property damage,
personal injury, or death.
WARNING
General
These instructions explain the recommended method of
installation of the MHP4 electric cooling unit and associated
electrical wiring.
This unit is designed and approved for use as a self-
contained air-to-air air conditioning system.
These instructions, and any instructions packaged with
mating components and/or accessories, should be carefully
read prior to beginning installation. Note particularly any
CAUTIONS
or
WARNINGS
in these instructions and all
labels on the units.
These instructions are intended as a general guide only,
for use by qualified personnel and do not supersede any
national or local codes in any way. Compliance with all local,
state, provincial, or national codes pertaining to this type of
equipment should be determined prior to installation.
Units that comply with the maximum cabinet leakage 2% of
rated airflow requirements of ANSI/ASHRAE 193 (complies
with IECC 2015) are identified on the rating plate.
Inspection
Upon receipt of equipment, carefully inspect it for possible
shipping damage. If damage is found, it should be noted
on the carrier’s freight bill. Take special care to examine
the unit inside the carton if the carton is damaged. File a
claim with the transportation company.
If any damages
are discovered and reported to the carrier do not
install the unit, as claim may be denied.
Check the unit rating plate to confirm specifications
are as ordered.
Table 1. Application Limitations
Outdoor Ambient Air Temperature °F
Minimum D B
Maximum D B
Cool
Cool
Heat
65
115
75
Indoor Ambient Air Temperature °F
Minimum
Maximum
DB/WB
DB
DB/WB
DB
Cool
Heat
Cool
Heat
62/57
50
90/72
80
DB = Dry Bulb
WB = Wet Bulb
Limitations
The unit should be installed in accordance with all national
and local safety codes.
Limitations of the unit and appropriate accessories must
also be observed.
The outdoor fan is designed to operate against no more
than .10” w.c. static pressure.
Minimum and maximum operation conditions must be
observed to assure maximum system performance
with minimum service required. Refer to Table 1 for the
application limitations of the unit.
Location
The unit must be installed with approved wall sleeve
and grille accessories for safe operation. Improper
installations could result in property damage, personal
injury, or death.
WARNING
For information on wall sleeves and grille accessories, see
the
Accessories
section.
The design is certified for thru-the-wall or up-to-the wall
(inside wall) installation only. The interior portions of
the unit may be surrounded by a closet with clearances
to combustible material held to 0” at the sides, top, and
front of the plenum. All servicing and cleaning of the unit
can be performed from the front. If installed in a closet
or utility room, provide 25” clearance in front for service
if the door to the room is not in line with the front of the
unit (see Figure 1).
Accessibility clearances must take
precedence over fire protection clearances.
